SCSI Thumbwheel Switch
A7F
Compact Thumbwheel Switch with
Pen-push Operation
s
s
s
s
s
Available in both vertical and horizontal models
Compact, thin, and space-saving
Pen-push type operation prevents mishandling
No panel mounting plates required
Built-in connector terminal connects to any
device with ease
Ordering Information
Output code
BCD (with 8 positions)
Type
Pen-push
Enclosure Rating
IP50
Part Number
Horizontal
Black case
A7F-241-1
Vertical
Black case
A7F-241-1-1
Contact
—
Color
White
Part Number
173977-5
—
—
—
175102-1 or 175161-1
Light blue
Cream yellow
Black
—
2-173977-5
4-173977-5
6-173977-5
175778-5
s ACCESSORIES
Accessory
AMP MT connector
(Insulation displacement type)
AMP CT (Crimp type)
Characteristics
Switching capacity
Carry current
Contact resistance
Insulation resistance
Dielectric strength
Vibration resistance
Shock resistance
Life expectancy
Ambient temperature
Ambient humidity
Operating force
Mechanical
Electrical
Operating
Storage
Operating
1 mA to 0.1 A at 5 VDC
1 A max.
1 Ω max.
10 MΩ min. (at 250 VAC) between terminals of same polarity
100 MΩ min. (at 500 VDC) between each terminal and ground
250 VAC, 50/60 Hz for 0.2 s between terminals of same polarity
1,000 VAC, 50/60 Hz for 0.2 s between each terminal and ground
10 to 55 Hz, 1.5 mm double amplitude
500 m/s2 (approx. 50 g) min.
2,000 steps min.
2,000 steps min.
-10°C to 70°C (with no icing)
-20°C to 80°C (with no icing)
85% max. (with no icing or condensation)
350 g max.
